Anatomy test 15 and 17

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  1. Olfactory
    sense of smell
  2. Gustation
  3. Lingual papillae
    Projections of the superior portion of the tongue
  4. Lingual papillae 3 types
    • 1. Filiform papillae 
    • 2. Fungiform papillae  
    • 3. papillae
  5. 6 primary tastes
    sweet, salt. sour, bitter, Umami, water
  6. Palebrae function
    to clean and lubricate outer surface of the eye
  7. Meibomianglands
    help keep the eyelids from sticking together
  8. Lacrimal apparatus
    Produces, distributes, and removes tears
  9. Lacrimal gland
    produces an enzyme called lysozyme which attacks bacteria
  10. three layers to the eye
    • 1. Fibrous tunic
    • 2. Vascular Tunic (uvea)
    • 3. Nueral Tunic (retina)
  11. Sclera
    An attachment point for the extrinsic muscles for the eye
  12. Rods
    Do not discriminate colors
  13. Fovea
    Highest concentration of rods which leads to very sharp vision
  14. Cones
    Three types for color vision
  15. Macula latea
    No rods at all
  16. Vitreous humor
    Fluid which fills the larger posterior chamber
  17. Aqueos Humor
    smaller anterior chamber
  18. Accommodation
    the changing of the shape of the lens to keep the focal length constant
  19. Myopie
    near sighted
  20. Hyperopia
    far sighted
  21. Photoreceptions order
    do it
  22. Ear 3 parts
    • 1. External ear- Pinna, auricle 
    • 2. Middle ear- Ossicles 
    • 3. Inner ear- Bony labyrinth
  23. Ossicles
    • 1. Malleus 
    • 2. Incus 
    • 3. Stapes
  24. Hearing process order
    Do it
  25. Steps of transduction
  26. Tonic receptors
    sensory neurons which are always active, frequency of stimulation indicates the background level of stimulation
  27. Masic Receptors
    Sensory neurons which are only active when there is a change of conditions
  28. Adaptation
    a reaction of sensitivity in the presence of a constant stimulus
  29. peripheral adaptaiton
    reduces amount info. that reaches the CNS
  30. Central Adptation
    further retracts the amount of detail that arrives at the cerebellum cortex
  31. Nociceptors
    pain receptors, found in the superficial areas of the skin and in joint capsules
  32. Nociceptors 3 types
    • 1. Sensitive to temperature 
    • 2. mechanical damage 
    • 3. Sensitive to dissolved chemicals released by damaged cells
  33. Mechanoreceptors
    sensitive to stimuli that distort the cell membranes
  34. Mechanoreceptors 3 receptors
    • 1. Tactile 
    • 2. Baroreceptors 
    • 3. Propioceptors
  35. Tactile receptor and functions
    • 1. Free nerve endings- tough and pressure in epidermis 
    • 2. root hair plexus- monitor distortions on the body surface 
    • 3. Meruels cells- fine touch and pressure 
    • 4. meissners corpuscle- tactild fine tough and low frequency vibration 
    • 5. Pacinian corpuscle- deep pressure sensation 
    • 6. Ruggini corpuscle- pressure and distortion deep in suin

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Anatomy test 15 and 17
2014-05-01 01:20:16
Note cards for Anat. and phys. chapter 15 and 17
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